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authorTheodore Ts'o <tytso@mit.edu>2014-03-13 22:49:42 -0400
committerTheodore Ts'o <tytso@mit.edu>2014-03-13 22:49:42 -0400
commit38c03b34391dd25a39576073e58485e5949d29fe (patch)
tree91236e16c5d4534667aa04367c9be86cebc22af8 /fs/ext4
parent02b9984d640873b7b3809e63f81a0d7e13496886 (diff)
downloadlinux-38c03b34391dd25a39576073e58485e5949d29fe.tar.bz2
ext4: only call sync_filesystm() when remounting read-only
This is the only time it is required for ext4. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/super.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a5f1170048bd..89baee42f353 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4765,8 +4765,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
#endif
char *orig_data = kstrdup(data, GFP_KERNEL);
- sync_filesystem(sb);
-
/* Store the original options */
old_sb_flags = sb->s_flags;
old_opts.s_mount_opt = sbi->s_mount_opt;
@@ -4837,6 +4835,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
}
if (*flags & MS_RDONLY) {
+ err = sync_filesystem(sb);
+ if (err < 0)
+ goto restore_opts;
err = dquot_suspend(sb, -1);
if (err < 0)
goto restore_opts;